Re: [PATCH v4 2/2] Add support for OV5647 sensor

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On 11/15/2016 04:10 AM, Pavel Machek wrote:
Hi!

Add support for OV5647 sensor.


+static int ov5647_write(struct v4l2_subdev *sd, u16 reg, u8 val)
+{
+	int ret;
+	unsigned char data[3] = { reg >> 8, reg & 0xff, val};
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+	ret = i2c_master_send(client, data, 3);
+	if (ret != 3) {
+		dev_dbg(&client->dev, "%s: i2c write error, reg: %x\n",
+				__func__, reg);
+		return ret < 0 ? ret : -EIO;
+	}
+	return 0;
+}

Sorry, this is wrong. It should something <0 any time error is detected.


It seems to me that it does return a value < 0 each time an error is detected.

Guenter

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